- Gender: Feminine
- Origin: Lithuanian
- Meaning: “quiet or calm and strong.”
The name is a feminine form of the masculine, Rimgailas, which is composed of the ancient Lithuanian elements rimti meaning “serious; be calm” and gailas meaning “strong.” Its designated name day in Lithuania is September 15th. Sometimes rendered as Rymgajla or Ryngalla, (Polish adaptations), was the daughter of Kestustis and Birute of Lithuanian and the sister of Vytautas the Great (circ. 1300s-1400s). She became princess of Moravia by marriage and princess of Moldovia upon her second marriage. Her Christian name was Elisabeth.